Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 14 Pieces Ear Post & Backs Electronic rotary tumblers rotate faster

Electronic rotary tumblers rotate faster than standard rotary tumblers

Part # Size (OD) Wire Pack Qty 502-90 6

it delivers the accuracy professionals require at the bench

Two different size steel collets are mounted in opposite ends of the hollow handle

and retail-ready mountings

Spearhead High Speed Steel 45 Degree Bearing Bur Kit of 14 Pieces Ear Post & Backs Electronic rotary tumblers rotate fasterSpearhead High Speed Steel (HSS) 45 degree bearing burs are hand cut by expert craftsmen in the USA, delivering superior sharpness and longer service life compared to machine cut Tungsten Vanadium Carbon Steel burs. Each bur in the Spearhead line is easily identified by the size stamped directly on the 3 32" shank a hallmark of quality that professional jewelers rely on. These 45 degree setting burs are the preferred choice of quality jewelers